TNPSC Chemistry MCQS - 2

Question: 6

Which one among the following rocks does not belong to the same group?

(A) Sandstone

(B) Shale

(C) Limestone

(D) Slate

Question: 7

Which of the following noble gas doesnot exist in air?

(A) Argon

(B) Helium

(C) Neon

(D) Redon

Question: 8

Formation of anions occurs by

(A) Gain of electrons

(B) Gain of protons

(C) Loss of protons

(D) Loss of neutrons

Question: 9

Which one of the following is used for writing on glass?

(A) Hydrogen fluoride

(B) Silicon

(C) Hydrogen iodide

(D) Graphite

Question: 10

At high altitudes the boiling point of water lowers because

(A) Atmospheric pressure is low

(B) Temperature is low

(C) Atmospheric pressure is high

(D) None of the above